1/* 2 * This file is part of copy_file_range strace test. 3 * 4 * Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30#include "tests.h" 31#include <asm/unistd.h> 32#include "scno.h" 33 34#if defined __NR_copy_file_range 35 36# include <stdio.h> 37# include <unistd.h> 38 39int 40main(void) 41{ 42 const long int fd_in = (long int) 0xdeadbeefffffffff; 43 const long int fd_out = (long int) 0xdeadbeeffffffffe; 44 long long int *const off_in = tail_alloc(sizeof(*off_in)); 45 long long int *const off_out = tail_alloc(sizeof(*off_out)); 46 *off_in = 0xdeadbef1facefed1; 47 *off_out = 0xdeadbef2facefed2; 48 const size_t len = (size_t) 0xdeadbef3facefed3ULL; 49 const unsigned int flags = 0; 50 51 long rc = syscall(__NR_copy_file_range, 52 fd_in, off_in, fd_out, off_out, len, flags); 53 printf("copy_file_range(%d, [%lld], %d, [%lld], %zu, %u)" 54 " = %ld %s (%m)\n", 55 (int) fd_in, *off_in, (int) fd_out, *off_out, len, flags, 56 rc, errno2name()); 57 58 puts("+++ exited with 0 +++"); 59 return 0; 60} 61 62#else 63 64SKIP_MAIN_UNDEFINED("__NR_copy_file_range") 65 66#endif 67